Soils of the Colombian Llanos Orientales, composition and classification of selected soil profileshttps://biodiversitylinks.org/library/annotations/library/content/scapes/scapes-dec-imports/PN-AAA-073https://biodiversitylinks.org/@@site-logo/biodiversity-links-logo-no-tag.png
Soils of the Colombian Llanos Orientales, composition and classification of selected soil profiles
Other USAID Supported Study/Document
http://pdf.usaid.gov/pdf_docs/PNAAA073.pdf
Thesis (Ph.D.) -- North Carolina State University, 1971